Santa Cruz Skateboard Assembly Winkowski Sketchbook Shaped 10.34″ x 30.54″ Complete. Santa Cruz Erick Winkowski shaped deck on Erick’s original shape with 7 ply North American Maple. Cruz Missile II concave is Santa Cruz’s infamous tech concave from the 1980s with aggressive, multi-dimensional side to side concave and tail kick along with forward set rocker that comfortably lock in your feet in key areas for a completely unique riding experience. Measures 10.34″ x 30.54″ with a 15 wheelbase. Comes with Core trucks, 58mm 97A wheels, Amp abec 5 bearings, Black Diamond Griptape, risers, and hardware. Core trucks are light weight and feature heavy duty aluminum with grade 8 steel kingpins and axles, as well as USA made bushings and pivot cups. 58mm 97A are the perfect wheels for both street and park skating. Like the name states, Amp bearings are stimulants for your wheels! Light synthetic oil, Delrin Crowns, and Rubber Serviceable Shields are a few of the things that makes these bearings one of the best Abec 5 rated bearings on the market. Powered by Solid Commerce The All-in-One Listing, Inventory & Order Management Solution.